BNP Secretary General Mirza Fakhrul Islam Alamgir and Standing Committee Member Mirza Abbas and five other members of the opposition sought bail on Sunday, in a case filed over planning and inciting an attack on policemen at Naya Paltan on December 7.
Dhaka Chief Metropolitan Magistrate Rezaul Karim Chowdhury has set Monday for the hearing.
The five other BNP leaders are Abdus Salam, Khairul Kabir Khokon, Shahid Uddin Chowdhury Annie, Fazlul Haque Milon and Selim Reza Habib.
A DB team picked up the two senior BNP leaders from their homes at around 3am on Friday.
The police had brought them to the DB headquarters to question them about the clash on December 7 between BNP men and law enforcers.